-22.22% is the change from 657 to 511
Calculation steps:
[( 511 - 657 ) ÷ 657] x 100 = -22.22%
Formula
Percentage change = [(511 - 657) / 657] x 100
Subtract the new number by the original number
511 - 657 = -146
-146 ÷ 657 = -0.2222222222222222
-0.2222222222222222 x 100 = -22.22%